CN105575478B - Open-circuit protection cable - Google Patents
Open-circuit protection cable Download PDFInfo
- Publication number
- CN105575478B CN105575478B CN201510532329.7A CN201510532329A CN105575478B CN 105575478 B CN105575478 B CN 105575478B CN 201510532329 A CN201510532329 A CN 201510532329A CN 105575478 B CN105575478 B CN 105575478B
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- Prior art keywords
- cable
- tube
- pressure
- open circuit
- circuit protection
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- 230000006835 compression Effects 0.000 claims abstract description 21
- 238000007906 compression Methods 0.000 claims abstract description 21
- 238000000926 separation method Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 210000003437 trachea Anatomy 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010891 electric arc Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000036772 blood pressure Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Cable Accessories (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention relates to an open-circuit protection cable. The open-circuit protection cable comprises conductive wire tubes and a protection tube. The protection tube comprises an internal tube and an external tube which are coaxial. The two ends of each conductive wire tube are provided with a separating compression spring perpendicular to the conductive wire tube. The protection tube is also provided with a high pressure oil chamber which comprises a slide cylinder arranged between the internal tube and the external tube and also comprises a compression cylinder arranged in the internal tube. The other end of the slide cylinder is communicated with an air pressure chamber which is communicated with a pressure valve arranged on the external tube. The high pressure oil chamber and the air pressure chamber are separated by a sealed piston arranged in the slide cylinder. Conductive wire cores are tightly arranged in each conductive wire tube. Two wire ends stretching out of any adjacent conductive wire tubes are vertically laminated in parallel and electrically contacted. The compression cylinder compresses each wire end. According to the cable, the circuit can be disconnected when the circuit is abnormally and the circuit can be rapidly restored so that working stability of the cable can be effectively enhanced and cost can be saved.
Description
Technical field
The present invention relates to a kind of cable, particularly, is a kind of cable with breaking safeguard protection.
Background technology
Cable is often formed by multiple conducting wires winding twist, has insulating barrier, screen layer and protective layer in the outer wrap of wire,
Therefore cable quality is heavier, size is larger, and more labour is needed when laying, keeping in repair；Underground being laid in cable, it takes up an area face more
Product is little, do not affected by ambient contamination, power transmission reliability is high, at the same it is little to personal safety and surrounding interference, therefore
To widely using；But as cable laying is in underground, circuit breaks down, open circuit when cannot quickly and accurately find out failure,
Trip point, therefore more bother in maintenance；Additionally, during reclosing after electric discontinuity of cable, cable need to be carried out blocking, be shelled
Skin is reconnected again, and each reclosing shortens all can cable dimension, and multiple reclosing will cause cable excessively tight, be unfavorable for that cable is stable
Transmission of electricity, and change cable again and will waste more cost and labour force；Traditional cable protection is provided with fuse in circuit,
But fuse operationally easily produces electric arc, cause fire, therefore the protected effect of circuit is not obvious.
The content of the invention
For the problems referred to above, the present invention provides a kind of open circuit protection cable, and the cable can cut off electricity in circuit abnormality
Road, and fast can repair；Effectively improve cable work stability cost-effective.
To solve the above problems, the technical solution adopted in the present invention is：This open circuit protection cable include conduit and
Protection pipe, the protection pipe include coaxial inner and outer tubes；The two ends of each wire pipe are mounted on vertical with conduit
Separation stage clip, the other end of the separation stage clip is fixed in said inner tube；Separation stage clip on adjacent wires pipe relative to
The central point of two adjacent wires pipe pipe ends is point-symmetrically；High-pressure oil chamber is also equipped with the protection pipe；The hydraulic oil
Room includes the slide cartridge between inner and outer tubes, also include it is connecting with one end of the slide cartridge, in inner tube
Compression cylinder；In slide cartridge other end connection is air-pressure chamber, and the air-pressure chamber is connected with the pressure valve being opened on the outer tube
It is logical；High-pressure oil chamber and air-pressure chamber are separated by the sealing piston in the slide cartridge；The close installation in each conduit
The line end for having wire stylet, the wire stylet is stretched out from the two ends of conduit；From two lines that arbitrary neighborhood conduit stretches out
Hold capable mounted on top in electrical contact level with both hands；The compression cylinder compresses each line end.
The invention has the beneficial effects as follows：Cable normal work after ground is laid in can be generated heat, as pressure valve is reaching
Closing is remained before certain air pressure level, therefore the heat raises air-pressure chamber expansion, air pressure；Elevated air pressure promotes institute
State sealing piston to move to high-pressure oil chamber, now the pressure of high-pressure oil chamber is increased, elevated pressure will be pressed by compression cylinder
Power passes to the line end that wire stylet is stacked one upon the other contact, so that each wire intraductal wire core is in electrical contact tight, stable；When
When cable occurs abnormal, in cable, temperature anomaly is raised, and air-pressure chamber is heated boosting, the pressure when air pressure is higher than the threshold value of pressure valve
Valve is opened and to air-pressure chamber blood pressure lowering, now to air-pressure chamber translation, the pressure in high-pressure oil chamber is reduced, received at wire stylet sealing piston
The thrust for arriving synchronously is reduced；Due to thrust not enough, the end of adjacent wires pipe sharp separation under the promotion for separating stage clip,
So as to realize the open circuit of cable.
Open circuit is realized by fuse metal silk compared to traditional cable, this cable does not produce obvious fire during open circuit
Star, will not improve the temperature in cable, therefore breaking environment is safer；Simultaneously because separate stage clip storage elastic potential energy compared with
Greatly, when electric discontinuity of cable, the detached speed of abutting ends quickly, so as to effectively reduce the generation of electric arc；The control of this cable is opened
Pass is the outside that pressure valve is located at cable, therefore cable inside will not be polluted after open circuit, facilitates reusing for cable；
After fault is released, the reconnect of line end is capable of achieving by the pressure value for resetting pressure valve, therefore this cable has
Reusable the characteristics of, it is effectively saved cost；Further, since the position of each pressure valve is fixed, therefore only need during outer maintenance
Circuit is repaired by checking the damaged condition of each pressure valve, so as to mitigate significantly maintenance difficulty.
Preferably, the compression cylinder is with described to separate stage clip parallel；Structure guarantee separation stage clip is applied with compression cylinder
Force direction is easy to line end quickly to separate and reset in same plane, so as to facilitate cable preferably transmission of electricity and open circuit.
Preferably, the closed trachea connected with the air-pressure chamber is wound with the outside of the conduit；In order to increase
Atmospheric pressure chamber senses the area of cable internal temperature, so as to improve the sensitivity of air-pressure chamber.
Preferably, each line end makes flat piece；In order to increase the contact area between line end, so that cable
Transmission of electricity is more stable.
Preferably, the one side contacted with line end in the compression cylinder is pasted with friction plate；In order to increase compression cylinder with
Frictional force between line end, so that line end contact is more stable.
Description of the drawings
Fig. 1 be this open circuit protection cable be embodiment structural representation.
Fig. 2 is the end view drawing of cable in embodiment illustrated in fig. 1.
Specific embodiment
In the embodiment shown in Fig. 1, Fig. 2, this open circuit protection cable includes conduit 1 and protection pipe 2, protection pipe 2
Diameter parallel of the interior each described conduit 1 with the protection pipe 2；The protection pipe 2 includes coaxial inner tube 21 and outer tube
22；The two ends of each wire pipe 1 be mounted on it is vertical with conduit 1 separate stage clip 3, the other end for separating stage clip 3 is solid
It is scheduled in said inner tube 21；On adjacent wires pipe 1 separate stage clip 3 relative to the central point of two 1 pipe ends of adjacent wires pipe be in
Point symmetry；High-pressure oil chamber 4 is also equipped with the protection pipe 2, insulating oil is filled with the high-pressure oil chamber 4；The height
Pumping chamber 4 includes the slide cartridge 41 between inner tube 21 and outer tube 22, also include it is connecting with one end of the slide cartridge 41,
Compression cylinder 42 in inner tube 21；In the connection of 41 other end of the slide cartridge is air-pressure chamber 5, the air-pressure chamber 5 be opened in
Pressure valve 51 on the outer tube 22 is connected, and the pressure valve belongs to normally close valve, is only opened when pressure value is higher than threshold value；It is described
High-pressure oil chamber 4 and air-pressure chamber 5 are separated by the sealing piston 411 in slide cartridge 41；The outside of the conduit 1 be wound with it is described
The closed trachea 52 of the connection of air-pressure chamber 5；Close installation has wire stylet 11, the line of the wire stylet 11 in each conduit 1
Stretch out from the two ends of conduit 1 at end；The parallel mounted on top of two line ends 111 stretching out from arbitrary neighborhood conduit 1 is simultaneously
In electrical contact, each line end 111 makes flat piece；The compression cylinder 42 compresses each line end 111, in the compression cylinder 42
The one side contacted with line end 111 is pasted with friction plate；The compression cylinder 42 is with described to separate stage clip 3 parallel.
Cable normal work after ground is laid in can be generated heat, due to pressure valve before certain air pressure level is reached all the time
Remain turned-off, therefore the heat expands air-pressure chamber 5, air pressure is raised；Elevated air pressure promotes the sealing piston 411 to high pressure
Grease chamber 4 is moved, and now the pressure of high-pressure oil chamber 4 is increased, and elevated pressure is by compression cylinder 42 by pressure transmission to wire
Core 11 is stacked one upon the other the line end 111 of contact, so that 1 inside conductor core 11 of each conduit is in electrical contact tight, stable；Work as cable
When occurring abnormal, in cable, temperature anomaly is raised, and air-pressure chamber 5 is heated boosting, the pressure valve when air pressure is higher than the threshold value of pressure valve
Open and to 5 blood pressure lowering of air-pressure chamber, now sealing piston is translated to air-pressure chamber 5, the pressure in high-pressure oil chamber 4 is reduced, wire stylet 11
The thrust that place is subject to synchronously is reduced；Due to thrust not enough, the end of adjacent wires pipe 1 is fast under the promotion for separating stage clip 3
Speed is separated, so as to realize the open circuit of cable.
In the present embodiment, the closed trachea 52 connected with the air-pressure chamber 5 is wound with the outside of the conduit 1；It is close
Pipe 52 of holding one's breath increase effectively air-pressure chamber 5 and the contact area inside cable, and then increase temperature inside the sensing cable of air-pressure chamber 5
The sensing area of degree, so as to improve the sensitivity of air-pressure chamber 5；In addition, in the present embodiment, in the compression cylinder 42 and line end
The one side of 111 contacts is pasted with friction plate, while each line end 111 is made into flat piece, in order to increase compression cylinder and line
Frictional force between end, while increase the contact area between line end, so that cable work is more stable；The electric current of cable is got over
Greatly, the temperature of cable is higher, therefore the maximum safe current of cable is can control by the threshold value for adjusting pressure valve, so as to realize
The electric power protection of different level of securitys.
Open circuit is realized by fuse metal silk compared to traditional cable, this cable does not produce obvious fire during open circuit
Star, will not improve the temperature in cable, therefore breaking environment is safer；Simultaneously because separate stage clip 3 storage elastic potential energy compared with
Greatly, when electric discontinuity of cable, 111 detached speed of abutting ends quickly, so as to effectively reduce the generation of electric arc；The control of this cable
Switch is the outside that pressure valve 51 is located at cable, therefore cable inside will not be polluted after open circuit, facilitates cable again
Use；After fault is released, the reconnect of line end 111, therefore this are capable of achieving by the pressure value for resetting pressure valve
The characteristics of cable has reusable, is effectively saved cost；Further, since the position of each pressure valve is fixed, therefore outer inspection
Circuit is repaired by the damaged condition of each pressure valve need to be only checked when repairing, so as to mitigate significantly maintenance difficulty.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (5)
1. a kind of open circuit protection cable, this open circuit protection cable include conduit（1）And protection pipe（2）, the protection pipe（2）
Include coaxial inner tube（21）And outer tube（22）；It is characterized in that：Each wire pipe（1）Two ends be mounted on and conduit
（1）Vertical separation stage clip（3）, the separation stage clip（3）The other end be fixed on said inner tube（21）On；Adjacent wires pipe
（1）On separation stage clip（3）Relative to two adjacent wires pipes（1）The central point of pipe end is point-symmetrically；In the protection pipe（2）
On be also equipped with high-pressure oil chamber（4）；The high-pressure oil chamber（4）Include positioned at inner tube（21）And outer tube（22）Between slide cartridge
（41）, also include and the slide cartridge（41）One end connection, positioned at inner tube（21）In compression cylinder（42）；In the slide cartridge
（41）Other end connection is air-pressure chamber（5）, the air-pressure chamber（5）Be opened in the outer tube（22）On pressure valve（51）Even
It is logical；Installed in the slide cartridge（41）Interior sealing piston（411）By high-pressure oil chamber（4）And air-pressure chamber（5）Separate；Described lead each
Spool（1）Interior close installation has wire stylet（11）, the wire stylet（11）Line end（111）From conduit（1）Two ends stretch out；
From arbitrary neighborhood conduit（1）Two line ends for stretching out（111）Parallel mounted on top is simultaneously in electrical contact；The compression cylinder
（42）Compress each line end（111）.
2. open circuit protection cable according to claim 1, it is characterised in that：In the conduit（1）Outside be wound with
With the air-pressure chamber（5）The closed trachea of connection（52）.
3. open circuit protection cable according to claim 1 and 2, it is characterised in that：Each line end（111）Make flat
Block.
4. open circuit protection cable according to claim 1, it is characterised in that：In the compression cylinder（42）With line end（111）
The one side of contact is pasted with friction plate.
5. open circuit protection cable according to claim 1, it is characterised in that：The compression cylinder（42）Stage clip is separated with described
（3）It is parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510532329.7A CN105575478B (en) | 2015-08-27 | 2015-08-27 | Open-circuit protection cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510532329.7A CN105575478B (en) | 2015-08-27 | 2015-08-27 | Open-circuit protection cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105575478A CN105575478A (en) | 2016-05-11 |
| CN105575478B true CN105575478B (en) | 2017-04-26 |
Family
ID=55885516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510532329.7A Active CN105575478B (en) | 2015-08-27 | 2015-08-27 | Open-circuit protection cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105575478B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107633916B (en) * | 2017-09-26 | 2023-09-05 | 浙江德通科技有限公司 | Double-layer high-shielding bunched coaxial cable |
| CN107680728A (en) * | 2017-09-26 | 2018-02-09 | 浙江德通科技有限公司 | The soft copper outer conductor radio frequency coaxial cables of 75 Ou Chao of one kind |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU455198A1 (en) * | 1972-02-07 | 1974-12-30 | Предприятие П/Я Р-6837 | Pressure limiting valve |
| US7431042B2 (en) * | 2006-08-11 | 2008-10-07 | Wu Li Agriculture Machine Co., Ltd. | Pressure releasing device for spray pump |
| CN203056529U (en) * | 2012-11-28 | 2013-07-10 | 江苏安靠智能输电工程科技股份有限公司 | Intermediate connecting joint of high voltage cable |
-
2015
- 2015-08-27 CN CN201510532329.7A patent/CN105575478B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105575478A (en) | 2016-05-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lin Jianwu Inventor after: Lin Yuanfan Inventor before: Gu Yufeng |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170328 Address after: 518000 Guangdong city of Shenzhen province Baoan District Songgang Yanchuan Street Community Huiming Industrial Park 11 building a layer of profit Applicant after: Shenzhen Golden Sunshine Cable Technology Limited Company Address before: Suzhou Wuzhong District City, Jiangsu province 215000 Soochow road name 125 Yu Business Plaza No. 3 Building 7 floor Applicant before: Gu Yufeng |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170930 Address after: 516120 Guangdong city of Huizhou province Boluo county Luo Yang Zhen Tang Cun Xiao Tang village group section size Patentee after: Huizhou Golden Sunshine Electromechanical Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District Songgang Yanchuan Street Community Huiming Industrial Park 11 building a layer of profit Patentee before: Shenzhen Golden Sunshine Cable Technology Limited Company |
|
| CP03 | Change of name, title or address |
Address after: Village group of Xiaotang, Xiaotang village, Luoyang Town, BOLUO County, Huizhou City, Guangdong Province Patentee after: Guangdong jinyangguang cable industry Co., Ltd Address before: 516120 small town village group of Luoyang Town, Boluo County, Huizhou, Guangdong Patentee before: Huizhou Golden Sunshine Electromechanical Technology Co., Ltd. |
|
| CP03 | Change of name, title or address |